Posts
All the articles I've posted.
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Google Signed the Open Weights Letter, and Anthropic Is Now Alone
The open weights letter had 25 signatures on Friday, 35 on Saturday and 50 this morning. Google is on it. Anthropic is the only US frontier lab that isn't, and it's the only absence with an argument behind it.
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The Open Weights Letter Grew Ten Signatures Overnight, and One of Them Was OpenAI
Twenty-five companies signed Friday's open-weights letter and every outlet led with the three that didn't. By Saturday the list was at thirty-five and OpenAI's name was on it.
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OpenAI Found Out From the Blog Post
Reuters reconstructed the timeline of the rogue-agent hack. OpenAI's agent broke out of its sandbox around 9 July and hit Hugging Face on the 11th. OpenAI worked out it was responsible only after Hugging Face published on the 16th.
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Opus 5 Is Allowed to Find Bugs Now. It Went From 2 Working Exploits to 99.
Anthropic shipped Claude Opus 5 yesterday at Opus 4.8 prices and unblocked source-code vulnerability discovery for every user. The system card also shows exploitation capability jumping roughly 50x over Opus 4.8, with UK AISI solving an enterprise cyber range 8 times in 10.